Fix typo in comment.

diff --git a/lisp/mail/sendmail.el b/lisp/mail/sendmail.el
index 3ca4ecc9387e38298bfeceb1c320e44a6b03ac1d..9a6e2afda8fcb3881bb161f16e36ff8731892011 100644 (file)
--- a/lisp/mail/sendmail.el
+++ b/lisp/mail/sendmail.el
@@ -1274,7 +1274,7 @@ and don't delete any header fields."
                ;; on account of mark's being inactive.
                (mark-even-if-inactive t))
            (if mail-citation-hook
-               ;; Bind mail-citation-hook to the inserted message's header.
+               ;; Bind mail-citation-header to the inserted message's header.
                (let ((mail-citation-header
                       (buffer-substring-no-properties
                        start